<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/link/update">
    用户名：<span th:text="${link.name}"></span><br>
    生日：<span th:text="${link.birthday}"></span><br>
    电话：<input type="text" name="phone" th:value="${link.phone}"><br>
    <input type="hidden"  name="id" th:value="${link.id}">
    <input type="submit" value="修改">
</form>
</body>
</html>